There are
2,576 mi
from Gresham, OR to Biloxi, MS
That's the driving distance. It would take 1 day 21 hours to go from Gresham, Oregon to Biloxi, Mississippi.
The flight distance (direct flight from Gresham, OR to Biloxi, MS) is 2,082.75 mi.
2,576 mi = 3.22 kms